Grade

Grade often refers to:

• Grading in education, a student's performance as determined by an educational assessment (e.g. A, pass, etc.)
• A designation for students, classes and curricula indicating the amount of years a student has completed in an educational stage (e.g. first grade, second grade, K–12, etc.)
• Grade (slope), the steepness of a slope
• Graded voting

Grade or grading may also refer to:

Music

• Grade (music), a formally assessed level of proficiency in a musical instrument
• Grade (band), punk rock band
• Grades (producer), British electronic dance music producer and DJ

Science and technology

Biology and medicine

• Grading (tumors), a measure of the aggressiveness of a tumor in medicine
• The Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach
• Evolutionary grade, a paraphyletic group of organisms

Geology

• Graded bedding, a description of the variation in grain size through a bed in a sedimentary rock
• Metamorphic grade, an indication of the degree of metamorphism of rocks
• Ore grade, a measure that describes the concentration of a valuable natural material in the surrounding ore

Engineering and technology

• Grade (fasteners), the grade of nuts and bolts refers to the strength and material
• Grading (earthworks), the preparation and leveling of land for construction, especially of roads and railways
• Grade separation, aligning a junction of two or more transport axes at different heights to facilitate traffic flow
• Cetane rating, a measure of diesel fuel's combustion quality
• Octane rating, also called gasoline grade, the measure of the autoignition resistance of gasoline (petrol) and other fuels used in spark-ignition internal combustion engines
• Grade of service, the quality of voice service in telecommunications
• Color grading, the process of altering and enhancing the color of a motion picture, video image, or still image
• A rating of lumber (timber) quality and strength

Mathematics

• Grade (angle), a unit for the measurement of plane angles
• Grade (ring theory), a cohomological invariant in commutative algebra
• Graded (mathematics), with several meanings
• Graded poset, a partially ordered set equipped with a rank function, sometimes called a ranked poset
• Graded vector space, a vector space with an extra piece of structure
• Graded algebra, an algebra over a field (or ring) with an extra piece of structure

Linguistics

• Grade, each of the "levels" of vowel gradation, especially in Indo-European
• Grade, or degree, one of the comparative forms of an adjective

Sport

• Grade (climbing), a climber's assessment of the difficulty and danger of climbing a hill
• Grade (bouldering), a climber's assessment of the difficulty and danger of climbing a route which are distinct from those used in regular climbing
• Degree of difficulty, in several sports
• International Scale of River Difficulty, also called grade, a standardized scale used to rate the safety of a stretch of river, or a single rapid

Other uses

• Grade (crime), the degree of seriousness of a crime
• Military rank
• Grade (surname) (includes a list of people with the name)
• Grade, Cornwall, a village in the UK
• Coin grading, the process of determining the grade or condition of a coin, the key factor in its value
• Food grading, the inspection, assessment and sorting of foods to determine quality, freshness, legal conformity and market value
• Pattern grading, the scaling of a pattern to a different size in the clothing or footwear industry

See also

• Degree (disambiguation)
• Grad (disambiguation)
• Gradation (disambiguation)
• Gradient
• grade nouveau
• Rank (disambiguation)
• Rating (disambiguation)